Technical Information 1-49
Table 1-26 4.55-GB Seagate Barracuda SCSI Hard Disk Drive Specifications
Feature
Specification
Required voltages
Current (amps, average)
Total Power (watts, average)
Start Up
+5 VDC
+12 VDC
.78
2.44
33.18
Idle Mode
+5 VDC
+12 VDC
.46
.54
8.78
Temperature
(non-condensing)
Operating: 5
°
to 50
°
C (41
°
to 122
°
F)
Non-operating: -40
°
to 70
°
C (-40
°
to 158
°
F)
RelativeHumidity
(non-condensing)
Operating: 5% to 90%, 10%/hour maximum
Non-operating: 5% to 95%,
Altitude
Operating: -305 m to 3050 m (-1000 to 10,000 ft.)
Non-operating: -305 m to 12,200 m (-1000 to 40,000 ft.)
MTTF
1,000,000 hours
Dimensions
Height: 1.0 inches (25.4 mm)
Width: 4.0 inches (101.6 mm)
Depth: 5.74 inches (145.8 mm)
Weight: 1.5 lb. (.68 g)
Table 1-27 6.4-GB Quantum Fireball IDE Hard Disk Drive Specifications
Feature
Specification
Hard Disk Drive
6.4-GB Quantum Fireball SE64A012-01-A-H
Interface
40-pin IDE
Actuator
Rotary Voice Coil Motor (VCM)
Track Density
8,400 track per inch
Maximum Data Rate from Media
158 Mbits/second (Burst)
Bytes per Sector
512 (default)
Setup Geometry of Drive
13,328 cylinders x 15 heads x 12,594,960 sectors
Areal Density
1,645 Mbits/in
2
Servo Type
Embedded Sectored
Recording Density
208,147 fci (maximum)
Recording Method
16/17 Partial Response Maximum Likelihood (PRML)